Hangzhou Dingyan Chem Co.,Ltd

Hangzhou Dingyan Chem Co.,Ltd

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  • Company Name: Hangzhou Dingyan Chem Co.,Ltd
  • Street: Xiasha 571, 19TH Street E-COMMERCE 4A 601-602 , Jianggan Area
  • City: hangzhou
  • Province/state: Zhejiang
  • Country/region: China
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Protocatechualdehyde

  • CAS No:139-85-5 3,4-dihydroxybenzaldehyde
    Molecular Structure

    Detailed Description

    Appearance:Light grey crystalline powder
    Solubility:Soluble in hot water, freely
    soluble:in ethanol and ether
    Melting point:152~157℃
    Related substances:Individual impurity≤0.5%
    Total:impurities≤1.0%
    Loss on drying≤1.0%
    Assay≥99.0%